jd 620

[John deere Ed]

my 620 had gas in oil so drained it and replaced filter now i cannot get it start has new gas and getting spark wont even pop tried pulling it did not help does have new plugs Looking for suggestions Thanks

 

[Janicholson]

my 620 had gas in oil so drained it and replaced filter now i cannot get it start has new gas and getting spark wont even pop tried pulling it did not help does have new plugs Looking for suggestions Thanks

Welcome to YT forums and PartsASAP. If you shut the fuel off when the carb leaked gasoline into the block, did you turn it back on? if you didn't turn it off, it may be flooded again. If it drained the tank, maybe no gas! Jim

 

[wore out]

my 620 had gas in oil so drained it and replaced filter now i cannot get it start has new gas and getting spark wont even pop tried pulling it did not help does have new plugs Looking for suggestions Thanks

Does it have the oil pressure operated gasoline shutoff valve & is it in working order and leak-free?

 

[John deere Ed]

Does it have the oil pressure operated gasoline shutoff valve & is it in working order and leak-free?

it has a shut off at fuel bowl is that what you are asking or is there another one i am not aware of . Not real familiar with this Thanks

 

[wore out]

it has a shut off at fuel bowl is that what you are asking or is there another one i am not aware of . Not real familiar with this Thanks

Sediment bowl with oil pressure gasoline shutoff.

If diaphragms (5) leak gasoline can leak into the lube oil system, and on into the crankcase.

More info on the automatic fuel shutoff from the Operator's Manual.

You can download an Operator's Manual for FREE @ https://techpubs.deere.com/en-US/Search/Equipment.

Enter your Model Number, then select the proper manual for your Serial Number and click on the "dowmload" arrow. Or, you can furchase a paper copy there.

 

[moresmoke]

Sediment bowl with oil pressure gasoline shutoff.

If diaphragms (5) leak gasoline can leak into the lube oil system, and on into the crankcase.

More info on the automatic fuel shutoff from the Operator's Manual.

You can download an Operator's Manual for FREE @ https://techpubs.deere.com/en-US/Search/Equipment.

Enter your Model Number, then select the proper manual for your Serial Number and click on the "dowmload" arrow. Or, you can furchase a paper copy there.

If the shut off leaks, the carb can flood letting gas into the cylinders then the crankcase as well. My 630 has had this happen several times.

 

[Mark-Ia]

www.greenpartsofva.com have alcohol resistant diaghrams to repair your sediment bowl.

 

[John T]

I’ve owned several 20 series tractors and often when gas got I mixed with oil it was due to a leaky diaphragm in the safety shut off sediment bowl like wire out spoke of.

I’m speaking from experience but look at the info wore out was kind enough to post that may be a problem

John T

 

[John deere Ed]

Does it have the oil pressure operated gasoline shutoff valve & is it in working order and leak-free?

it does not oil pressure shut off valve any thoughts where to proceed thanks

 

[kfgoeckner]

it does not oil pressure shut off valve any thoughts where to proceed thanks

Put a solenoid valve inline powered by ignition switch